Description

    1.Modify the problem trimToCurrentLength without parameters
    2.Modify the problem that the descriptions of two interfaces
    of plainarray are consistent
    3.Correct the wrong interface in lightweightset
    4.Complete the missing equal case in XTS
    #I4WPBS:Correct the questionnaire questions raised by the test
Signed-off-by: Nwangyong1995626wywz <wangyong237@huawei.com>

 Description

    1.Restore the format of that version
    2. Fix the parameter error
    3. Improve the missing use case of the XTS use case
    4. Modify the error that the return value is inconsistent
    with the comparison
    5.Improve the interface description against the interface API document
    #I4U5XE:improve containers class API interface reference description
Signed-off-by: Nwangyong1995626wywz <wangyong237@huawei.com>

Signed-off-by: Nzengyawen <zengyawen1@huawei.com>

Description

    The import method of container classes has been changed to improve efficiency.
    Previous import method: import { ArrayList } from '@ohos.util.ArrayList'
    Now import method: import ArrayList from '@ohos.util.ArrayList'
    Related issue
    #I4TCSR:midified containers class API interface reference description
Signed-off-by: Nwangyong <wangyong237@huawei.com>

Adds an API interface reference description file for 14 container
classes
Signed-off-by: Nlinhaoran <linhaoran2@huawei.com>